Michael Rainey Jr. (born September 22, 2000) is an American actor best known for the role of Tariq St. Patrick on Power, Power Book II: Ghost and Power: Legacy, He also made his special guest appearance in Power Book IV: Force series finale (3x10). He also starred as Michael Burset in Orange Is the New Black and Jalen in Barbershop: The Next Cut.

Rainey Jr. was born in Louisville, Kentucky, the son of Michael Rainey Sr. and Shauna Small. Through his mother, he is of Jamaican descent. His father lives in New York City, with Rainey Jr. being raised in Staten Island, New York from the age of one. His mother homeschooled him in his youth. Rainey Jr. supports ‘Find and Feed’, an Indiana based organization that cares for the homeless.

Rainey Jr. began his career at the age of nine when featured in Un Altro Mundo, and followed it with appearances in a variety of movies and shows such as Orange Is the New Black, Barbershop: The Next Cut, Amateur, 211 and Power.

Rainey Jr. reprised his role as Tariq St. Patrick in Power Book II: Ghost, where he played the show's leading character.

In March 2022, Rainey Jr., along with Power co-star Gianni Paolo, launched Twenty Two Entertainment. The first project is the self-hosted podcast, The Crew Has It. Twenty Two Entertainment is fully funded by Artists For Artists, launched in December 2021 by Kenan Thompson and John Ryan Jr.

In 2022, he was in a relationship with Haile Rose.